How to Measure Your Face Shape at Home (2-Minute Method)

You don’t need a stylist to tell you your face shape — you need four measurements and one ratio. This is the same geometry our AI face shape detector runs automatically, written out so you can do it by hand with a soft tape measure (a piece of string and a ruler also work).

What you’ll need

• A mirror in good, even lighting
• A soft measuring tape (or string + ruler)
• Your hair pulled completely off your face

The four measurements

1. Face length

Measure from the centre of your hairline straight down to the tip of your chin. If your hairline has receded, start from where it used to sit — roughly four finger-widths above your eyebrows.

2. Forehead width

Measure across your forehead at its widest point, usually about halfway between your eyebrows and hairline, from one side of the hairline to the other.

3. Cheekbone width

Feel for the bony ridge just below the outer corner of each eye. Measure straight across from one cheekbone’s most prominent point to the other. Keep the tape straight — don’t follow the curve of your face.

4. Jawline width

Find the corner of your jaw below each ear (clench your teeth and the muscle pops out). Measure from corner to corner across the front. Some guides measure jaw length to the chin instead; corner-to-corner width is simpler and works for classification.

Reading your results

Now compute one number: face length ÷ cheekbone width. Then compare which of the three widths is largest.

Your numbers	Likely shape
Ratio 1.3–1.45, cheekbones widest, rounded chin	Oval
Ratio under ~1.2, soft curved jaw	Round
All three widths within ~10%, angular jaw	Square
Forehead clearly widest, pointed chin	Heart
Cheekbones widest, narrow forehead and jaw	Diamond
Ratio 1.5+, widths fairly even	Oblong
Jaw widest, forehead narrowest	Triangle

Common mistakes that skew results

• Following the face’s curve with the tape. All widths are straight-line distances, as if measured on a photo.
• Measuring with hair framing the face. Even a few strands visually narrow the forehead and cheeks.
• Using a tilted selfie. If you measure from a photo, the camera must be at eye level and square to your face — wide-angle front cameras distort proportions at close range.
• Forcing a single answer. Plenty of faces are legitimately between two shapes. Read both guides and borrow from each.

The 2-second alternative

Our free face shape detector does this exact analysis from one photo — it locates 468 facial landmarks, measures the same four dimensions plus your jawline angle, corrects for head tilt, and scores all seven shapes. It runs entirely in your browser, so the photo never leaves your device.